* {
    margin: 0px;
    padding: 0px;
    list-style: none;
}

html {
    background: url(../images/bg.jpg) no-repeat;
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
}

#DunHuang {
    width: 1080px;
    margin: 0 auto;
    padding: 20px;
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: 20px;
    overflow: hidden;
}

#DunHuang {
    background-color: #1e10058a;
}

.clear {
    clear: both;
}

/* 头部 */
header {}

header {}

.banner {
    width: 100%;
    border-radius: 20px;
}

.heard_nav {
    border-top: 1px dotted #fff;
    text-align: center;
    border-bottom: 1px dotted #fff;
    margin-top: 20px;
}

.heard_nav li {
    display: inline-block;
    padding: 5px 0px;
    text-align: center;
    width: 120px;
}

.heard_nav li a {
    text-decoration: none;
    color: #fff;
    font-family: "kaiti";
    letter-spacing: 10px;
}

.heard_nav li a span {
    font-size: 12px;
    letter-spacing: 4px;
}

.heard_nav li a:hover {
    color: #000000;
    font-weight: bolder;
}
/*-----二级---------*/


/* 轮播图------------------- */

.shell {
    width: 1080px;
    height: 400px;
    position: relative;
    overflow: hidden;
    float: left;
    display: block;
    margin-top: 20px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.images {
    width: 500%;
    /* 几张图片写几百 */
    height: 100%;
    display: flex;
    position: absolute;
    left: 0;
    transition: 0.3s;
}

.img {
    width: 100%;
    background-size: cover;
}

.img:nth-child(1) {
    background: url("../images/2.jpg") no-repeat;
    background-position: center;
    background-size: cover;
}

.img:nth-child(2) {
    background: url("../images/3.jpg") no-repeat;
    background-position: center;
    background-size: cover;
}

.img:nth-child(3) {
    background: url("../images/4.jpg") no-repeat;
    background-position: center;
    background-size: cover;
}

.img:nth-child(4) {
    background: url("../images/5.jpg") no-repeat;
    background-position: center;
    background-size: cover;
}

.img:nth-child(5) {
    background: url("../images/6.jpg") no-repeat;
    background-position: center;
    background-size: cover;
}

.min-box {
    display: flex;
    justify-content: space-evenly;
    position: absolute;
    bottom: 20px;
    width: 100%;
    z-index: 100;
}

.min {
    width: 20px;
    height: 10px;
    background: #fff;
    cursor: pointer;
    border-radius: 10px;
    background-size: cover;
    background-position: -20px 0;
    opacity: .5;
}

.button {
    width: 100%;
    height: 100%;
    position: absolute;
    display: flex;
    justify-content: space-between;
    user-select: none;
}

.button-left,
.button-right {
    font-size: 30px;
    padding: 0 50px;
    cursor: pointer;
    line-height: 405px;
}

h2 {
    color: #fff;
    text-align: center;
    font-size: 18px;
    font-family: '宋体';
    line-height: 40px;
    border-bottom: 1px dotted #fff;
    letter-spacing: 10px;
    margin-bottom: 20px;
}

.introduction {
    margin-bottom: 20px;
}

.introduction p {
    color: #c1c1c1;
    font-size: 14px;
    line-height: 20px;
    text-indent: 2rem;
}

.introduction img {
    float: left;
    width: 300px;
    border-radius: 20px;
    margin-right: 30px;
}

.bingqi ul {
    text-align: center;
}

.bingqi ul li {
    cursor: pointer;
    display: inline-block;
    width: 240px;
    margin: 0px 10px;
    color: #fff;
    transition: all 0.3s;
}

.bingqi ul li:hover {
    transform: scale(1.1);
}

.bingqi ul li img {
    width: 100%;
    height: 169px;
    border-radius: 20px;
}

#dh {
    margin-bottom: 20px;
}

#dh ul {
    background-color: #ffffff66;
    border-radius: 20px;
    overflow: hidden;
}

#dh ul li {
    float: left;
    width: 216px;
}

.list_img {
    width: 216px;
    height: 200px;
}

.list_img img {
    width: 100%;
    height: 100%;
}

.list_txt {
    width: 219px;
    height: 200px;
    background-color: #fff;
}

.list_txt p {
    font-size: 12px;
    padding: 0px 10px;
    line-height: 26px;
}

.list_txt p:nth-child(1) {
    font-size: 16px;
    line-height: 30px;
}

.list_txt p:nth-child(2) {
    font-size: 16px;
    line-height: 30px;
}

footer {
    border-top: 1px dotted #fff;
    color: #fff;
    text-align: center;
    font-size: 12px;
    line-height: 60px;
    margin-top: 60px;
}

/* lishi --------------------------------------- */
.banner2 {
    border-radius: 20px;
    overflow: hidden;
    margin-top: 20px;
}

.banner2 img {
    width: 100%;
}

.banner2 video {
    position: relative;
    width: 100%;
}
#history h3 {
    color: #FDF381;
    margin: 10px 0px;
    font-size: 16px;
}

.history img {
    float: right;
    width: 500px;
    border-radius: 50px;
}

.history p {
    font-size: 14px;
    color: #c1c1c1;
    line-height: 30px;
}

.history table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.history table {
    color: #fff;
    font-size: 14px;
}

.history table,
th,
td {
    border: 1px solid #c1c1c1;
}

.history th,
td {
    padding: 8px;
}

/* meishi------------------------------ */
.meishi {}

.meishi {}
.meishi h3 {
    color: #FDF381;
   }

.meishi ul li {
    float: left;
    width: 340px;
    margin-left: 30px;
    color: #fff;
    cursor: pointer;
    margin-bottom: 20px;
    margin-top: 20px;
}

.meishi ul li p:nth-child(2) {
    margin: 10px 0px;
}

.meishi ul li p:nth-child(3) {
    font-size: 14px;
    line-height: 30px;
}


.meishi ul li:nth-child(3n-2) {
    margin-left: 0px;
}

.meishi ul li img {
    width: 100%;
    border-radius: 20px;
    height: 207px;
    transition: all 0.3s;
}

.meishi ul li img:hover {
    transform: scale(1.1);
}


/* 古籍----------------------- */
#book img {
    float: right;
    width: 500px;
    border-radius: 50px;
}

#book p {
    font-size: 14px;
    color: #c1c1c1;
    line-height: 30px;
}

#book h3 {
    font-size: 14px;
    color: #FDF381;
    line-height: 30px;
}

/* 文化--------------------------------- */
#culture h3 {
    color: #FDF381;
    margin: 10px 0px;
    font-size: 16px;
}

#culture p {
    color: #c1c1c1;
    font-size: 14px;
    line-height: 30px;
}

/* dh--------------------------------------- */

.dh img {
    float: left;
    border-radius: 20px;
    width: 200px;
}

.dh_right {
    float: right;
    width: 860px;
    color: #fff;
    margin-bottom: 20px;
}

.dh_right p:nth-child(2) {
    margin-top: 10px;
    font-size: 14px;
    line-height: 30px;
}
.list1 img {
    float: left;
	margin-top: 5px;
    width: 200px;
    border-radius: 20px;
}
.list1_left h3{
	color: #FDF381;
	margin: 10px 0px;
	font-size: 16px;
}
.list1_left {
	
    width: 860px;
	color: #fff;
    float: left;
    margin-bottom: 20px;
}

.list1_left p:nth-child(1) {
	text-align: left;
}

.list1_left p:nth-child(2) {
    margin-top: 10px;
	font-size: 14px;
    line-height: 30px;
}



/* denglu--------- */
.login_main {
    text-align: center;
}

.login_main div {
    margin-top: 60px;
}

.login_main input {
    display: block;
    margin: 0 auto;
    width: 320px;
    height: 34px;
    border-radius: 4px;
    padding: 0px 10px;
    border: 0px;
    margin-bottom: 20px;
}

.login_main input[type='button'] {
    width: 340px;
    background-color: #CEAB43;
    color: #fff;
}

/* zhuce--------------------------------------- */
#registerForm {
    width: 320px;
    margin: 0 auto;
    margin-top: 60px;
    color: #fff;
}

#registerForm input,
#registerForm select {
    display: block;
    width: 300px;
    height: 34px;
    border: 0px;
    border-radius: 4px;
    padding: 0px 10px;
    margin-bottom: 10px;
    font-size: 14px;
}



#registerForm input[type='button'] {
    background-color: #CEAB43;
    color: #fff;
    width: 320px;
    cursor: pointer;
}

#registerForm input[type='button']:hover {
    background-color: #b98b2f;
}

#registerForm label {
    font-weight: bold;
    margin-bottom: 5px;
}

#gender {
    width: 320px !important;
}